HairStrandsCore/Public/GroomAssetPhysics.h
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)([BlueprintType](Programming/UnrealArchitecture/Reference/Structs/Specifiers/BlueprintType)) struct FHairExternalForces
float
AirDrag
Coefficient between 0 and 1 to be used for the air drag
FVector
AirVelocity
Velocity of the surrounding air in cm/s
FVector
GravityVector
Acceleration vector in cm/s2 to be used for the gravity